Author: jpeach Date: 2007-02-28 20:06:11 +0000 (Wed, 28 Feb 2007) New Revision: 1040
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba-docs&rev=1040 Log: Document the prealloc VFS module. Added: trunk/manpages-3/smb-vfs-prealloc.8.xml Changeset: Added: trunk/manpages-3/smb-vfs-prealloc.8.xml =================================================================== --- trunk/manpages-3/smb-vfs-prealloc.8.xml 2007-02-28 19:53:33 UTC (rev 1039) +++ trunk/manpages-3/smb-vfs-prealloc.8.xml 2007-02-28 20:06:11 UTC (rev 1040) @@ -0,0 +1,103 @@ +<?xml version="1.0" encoding="iso-8859-1"?> +<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc";> +<refentry id="smb-vfs-prealloc.8"> + +<refmeta> + <refentrytitle>smb-vfs-prealloc</refentrytitle> + <manvolnum>8</manvolnum> +</refmeta> + + +<refnamediv> + <refname>prealloc</refname> + <refpurpose>preallocate matching files to a predetermined size</refpurpose> +</refnamediv> + +<refsynopsisdiv> + <cmdsynopsis> + <command>vfs objects = prealloc</command> + </cmdsynopsis> +</refsynopsisdiv> + +<refsect1> + <title>DESCRIPTION</title> + + <para>This module is part of the <citerefentry><refentrytitle>samba</refentrytitle> + <manvolnum>7</manvolnum></citerefentry> suite.</para> + + <para>The <command>prealloc</command> VFS module preallocates + files to a specified size each time a new file is created. This + is useful in environments where files are of a predetermined + size will be written to a disk subsystem where extending file + allocations is expensive. </para> + + <para>This module is stackable.</para> + +</refsect1> + + +<refsect1> + <title>OPTIONS</title> + + <variablelist> + + <varlistentry> + <term>prealloc:EXT = BYTES</term> + <listitem> + <para>Preallocate all files with the extension EXT to + the size specified by BYTES. + </para> + + <para>The following suffixes may be applied to BYTES:</para> + <itemizedlist> + <listitem><para><command>K</command> - BYTES is a number of kilobytes</para></listitem> + <listitem><para><command>M</command> - BYTES is a number of megabytes</para></listitem> + <listitem><para><command>G</command> - BYTES is a number of gigabytes</para></listitem> + </itemizedlist> + + </listitem> + </varlistentry> + + </variablelist> +</refsect1> + +<refsect1> + <title>EXAMPLES</title> + + <para>A process writes TIFF files to a Samba share, and the + is known these files will almost always be around 4 megabytes + (4194304 bytes): </para> + +<programlisting> + <smbconfsection name="[frames]"/> + <smbconfoption name="path">/data/frames</smbconfoption> + <smbconfoption name="vfs objects">prealloc</smbconfoption> + <smbconfoption name="prealloc:tiff">4M</smbconfoption> +</programlisting> +</refsect1> + +<refsect1> + <title>CAVEATS</title> + <para><command>preallocate</command> is not supported on all + platforms and filesystems. Currently only XFS filesystems on + Linux and IRIX are supported. + </para> +</refsect1> + +<refsect1> + <title>VERSION</title> + <para>This man page is correct for version 3.0.25 of the Samba suite. + </para> +</refsect1> + +<refsect1> + <title>AUTHOR</title> + + <para>The original Samba software and related utilities + were created by Andrew Tridgell. Samba is now developed + by the Samba Team as an Open Source project similar + to the way the Linux kernel is developed.</para> + +</refsect1> + +</refentry>
